English verb conjugation MUST UNCOUPLE

Regular verb: uncouple - uncoupled - uncoupled

Affirmation

Simple form

I must uncouple
you must uncouple
he must uncouple
we must uncouple
you must uncouple
they must uncouple

V-ing form

I must be uncoupling
you must be uncoupling
he must be uncoupling
we must be uncoupling
you must be uncoupling
they must be uncoupling

Perfect

I must have uncoupled
you must have uncoupled
he must have uncoupled
we must have uncoupled
you must have uncoupled
they must have uncoupled

V-ing perfect

I must have been uncoupling
you must have been uncoupling
he must have been uncoupling
we must have been uncoupling
you must have been uncoupling
they must have been uncoupling

Negation

Simple form

I mustn't uncouple
you mustn't uncouple
he mustn't uncouple
we mustn't uncouple
you mustn't uncouple
they mustn't uncouple

V-ing form

I mustn't be uncoupling
you mustn't be uncoupling
he mustn't be uncoupling
we mustn't be uncoupling
you mustn't be uncoupling
they mustn't be uncoupling

Perfect

I mustn't have uncoupled
you mustn't have uncoupled
he mustn't have uncoupled
we mustn't have uncoupled
you mustn't have uncoupled
they mustn't have uncoupled

V-ing perfect

I mustn't have been uncoupling
you mustn't have been uncoupling
he mustn't have been uncoupling
we mustn't have been uncoupling
you mustn't have been uncoupling
they mustn't have been uncoupling

Interrogative form

Simple form

must I uncouple?
must you uncouple?
must he uncouple?
must we uncouple?
must you uncouple?
must they uncouple?

V-ing form

must I be uncoupling?
must you be uncoupling?
must he be uncoupling?
must we be uncoupling?
must you be uncoupling?
must they be uncoupling?

Perfect

must I have uncoupled?
must you have uncoupled?
must he have uncoupled?
must we have uncoupled?
must you have uncoupled?
must they have uncoupled?

V-ing perfect

must I have been uncoupling?
must you have been uncoupling?
must he have been uncoupling?
must we have been uncoupling?
must you have been uncoupling?
must they have been uncoupling?

Interro-negative form

Simple form

mustn't I uncouple?
mustn't you uncouple?
mustn't he uncouple?
mustn't we uncouple?
mustn't you uncouple?
mustn't they uncouple?

V-ing form

mustn't I be uncoupling?
mustn't you be uncoupling?
mustn't he be uncoupling?
mustn't we be uncoupling?
mustn't you be uncoupling?
mustn't they be uncoupling?

Perfect

mustn't I have uncoupled?
mustn't you have uncoupled?
mustn't he have uncoupled?
mustn't we have uncoupled?
mustn't you have uncoupled?
mustn't they have uncoupled?

V-ing perfect

mustn't I have been uncoupling?
mustn't you have been uncoupling?
mustn't he have been uncoupling?
mustn't we have been uncoupling?
mustn't you have been uncoupling?
mustn't they have been uncoupling?

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